May 2025 social media calendar

May is almost here, presenting a fresh opportunity to create timely and engaging content for your audience. Whether you’re looking to raise awareness for your brand or drive sales, now is the perfect time to strategize. To help you make the most of May, we’ve picked out key events from our social media calendar, along with creative email marketing, and SMS marketing ideas to inspire your campaigns.

Important social media calendar dates in May

Mark your calendars. Take note of these essential dates and hashtags you can use to create engaging marketing campaigns:

May 1 – World Password Day #WorldPasswordDay
May 3 – Write a review Day #WriteaReviewDay
May 4 – Star Wars Day #MayThe4thBeWithYou
May 4 – National Lemonade Day #NationalLemonadeDay
May 5 – May Day #MayDay
May 5 – Cinco de Mayo #CincoDeMayo
May 6 – Nurses Day #NursesDay
May 8 – World Donkey Day #DonkeyDay
May 8 – Parents’ Day (Korea) #ParentsDay
May 10 – World Lupus Day #LupusDay
May 11 – Eat What You Want Day #EatWhatYouWantDay
May 11 – Mother’s Day (US) #HappyMothersDay
May 12 – Limerick Day #LimerickDay
May 13 – World Cocktail Day #CocktailDay
May 15 – International Day of Families #FamilyDay
May 15 – National Chocolate Chip Day #ChocolateChipDay
May 16 – Love a Tree Day #LoveATreeDay
May 16 – Endangered Species Day #EndangeredSpeciesDay
May 17 – World Baking Day #BakingDay
May 18 – Visit Your Relatives Day #VisitYourRelativesDay
May 18 – Electronic Greeting Card Day #ElectronicGreetingCardDay
May 20 – World Bee Day #BeeDay
May 22 – Sherlock Holmes Day #SherlockHolmesDay
May 24 – National Scavenger Hunt Day #NationalScavengerHuntDay
May 24 – Brother’s Day #BrothersDay
May 25 – Wine Day #WineDay
May 26 – Memorial Day #MemorialDay
May 28 – Hamburger Day #NationalHamburgerDay
May 30 – National Creativity Day #NationalCreativityDay
May 31 – Web Designer Day #WebDesignerDay
May 31 – National Heat Awareness Day #NoFryDay

Themes for the month

• National Barbeque Month
• Lupus Awareness Month

Let’s delve into specific ideas for each date to help you create successful campaigns this May.

May 5 – Cinco de Mayo

Cinco de Mayo is a perfect occasion to spice up your marketing campaigns with a touch of fun and excitement. With bold colors, festive themes, and attention-grabbing offers, you can create a vibrant campaign that stands out. Share recipes, traditional decorations, or interesting facts about the holiday to engage your audience.

May 10 – World Lupus Day

World Lupus Day is observed on May 10 to raise awareness about Lupus, a chronic autoimmune disease that affects multiple organs in the body. On this day, people share informative posts and stories about Lupus to increase awareness and support research, advocacy, and patient care for those living with Lupus.

May 10 – Mother’s Day

Mother’s Day is celebrated to honor mothers, motherhood, and maternal bonds. It’s an opportunity to show appreciation to all the wonderful moms who have selflessly cared for their children and families. You can plan a variety of activities and events, such as sharing heartwarming stories, hosting a “mom appreciation” contest, or offering special promotions. With a little planning and creativity, you can make this day a memorable celebration for everyone involved.

If you want to dive into even more Mother’s Day marketing ideas, we’ve got your back. Head over to our dedicated blog post on “5 Mother’s Day email marketing ideas” and treat yourself to more tips that can help make your Mother’s Day campaign a soaring success.

May 13 – World Cocktail Day

World Cocktail Day is the perfect opportunity for brands to showcase creativity and stir up some buzz. Mix fun and excitement by sharing captivating cocktail recipes, hosting a virtual happy hour, or running a contest for the best follower-created cocktail. Remember to be creative with your language and maintain a lively, engaging tone throughout your posts.

May 16 – Love A Tree Day

Love A Tree Day encourages environmental awareness and tree appreciation. This day is an opportunity to share educational content about the benefits trees provide and to encourage sustainable living habits like planting trees or using eco-friendly products. By doing so, you can make a positive environmental impact and ensure a healthy planet for future generations. So, let’s take this day as an opportunity to show your love and appreciation for trees and work towards a greener and healthier environment.

May 20 – Bee Day

May 20 is Bee Day, which raises awareness about the vital role bees play in our ecosystem. Bees pollinate one-third of the food we eat. Sharing informational posts and resources on social media platforms and other communication channels is a great way to raise awareness about the importance of bees and how we can protect them.

May 26 – Memorial Day

Memorial Day is a day to pay tribute to the brave people who have served and sacrificed for the USA’s freedom. On this day, you can share heartfelt stories, quotes, or dedicate a moment of silence to express your gratitude and honor their courage, skill, and sacrifice.

May subject line ideas

Crafting compelling subject lines is essential for capturing your audience’s attention and driving email engagement. To help you create standout subject lines, we’ve analyzed top-performing email campaigns from last May.

Key trends from last year

We found that emails with subject lines with urgency, value, and savings, essential information, and exclusivity saw the highest engagement rates in May.

Here are some specific examples:

Urgency: “Last chance: [Benefit/Action] ends this May”
Value and savings: “May Savings: Get [Discount/Offer] now”
Important information: “May Update: Everything you need to know”
Exclusivity and invitations: “May Exclusive: You’re invited to [Event/Offer]”

May inspired subject line ideas

Using these insights, here are some May-themed subject line ideas to inspire your campaigns:

World Password Day:🔒Read our tips for a stronger password
Write a Review Day:✍️ In case you missed it, write a review
Star Wars Day: 🚀 May the 4th be with you
May Day: 📢 Did you miss our May announcement?
Cinco de Mayo: 🪅 Olé. Celebrate Cinco de Mayo with us
World Lupus Day: 💜 How can you support World Lupus?
Mother’s Day:💐 Everything you need for a perfect Mother’s Day
World Cocktail Day:🍹 Cheers to World Cocktail Day: Mix some fun
Love a Tree Day: 🌳 Show some love: It’s Love a Tree Day
Bee Day: 🐝 Save the Bees
Wine Day: 🍷 It’s time to raise a glass
General:🌼 Freshen up your look with our May sale

While the ideas provided can be a starting point, it’s important to customize them to match your distinct brand voice. Feel free to try out emojis, playful language, or a sense of urgency to capture attention.

For an added creative spark, you can also use AI-powered generative tools like WinstonAI to brainstorm new ideas, adjust the tone, or refine the length of your subject lines.

Spark engagement with your May marketing campaigns

May is brimming with opportunities to connect with your audience through creative and engaging marketing campaigns. From celebrating festive spirit of Cinco de Mayo and World Cocktail Day, there’s an event for every brand to use within their May social media calendar.

Remember, the key to success lies in understanding your audience and tailoring your message accordingly. Infuse your campaigns with the vibrant energy of spring, and don’t be afraid to experiment with different content formats – social media posts, email marketing blasts, or SMS messages can all be powerful tools in your marketing arsenal.

So, put on your creative thinking cap, use these ideas and examples we’ve provided, and watch your May marketing campaigns blossom into engagement and sales success.